#37A0DA#37A0DA

#37A0DA is a light, vivid cyan. Relative luminance 0.310; OKLCH L 67.2% C 0.127 H 237.6°. Best body text is #000000 at 7.20:1 contrast (WCAG AA passes).

Color values

HEX#37A0DA
RGBrgb(55, 160, 218)
HSLhsl(201, 69%, 54%)
HSVhsv(201, 75%, 85%)
CMYKcmyk(74.8%, 26.6%, 0%, 14.5%)
CIE-LABlab(62.52, -10.59, -37.97)
CIE-LCHlch(62.52, 39.41, 254.42°)
OKLaboklab(67.19% -0.0681 -0.1072)
OKLCHoklch(67.19% 0.127 237.6)
XYZxyz(26.7962, 31.0126, 70.8899)
Luminance0.3102 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#37A0DA #DA7137
analogous
#37DAC2 #37A0DA #374EDA
triadic
#37A0DA #DA37A0 #A0DA37
tetradic
#37A0DA #C237DA #DA7137 #4EDA37
square
#37A0DA #C237DA #DA7137 #4EDA37
split-complementary
#37A0DA #DA374E #DAC237
monochromatic
#185A7F #217FB3 #37A0DA #6BB9E4 #9ED1ED

Accessibility & contrast

On white

2.92
#37A0DA on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.20
#37A0DA on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #37A0DA
7.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##37A0DA#FFFFFF#000000##000000
##37A0DA1.002.927.207.20
#FFFFFF2.921.0021.0021.00
#0000007.2021.001.001.00
##0000007.2021.001.001.00

Color blindness preview

Protanopia (red-blind)
#84A0DD
Deuteranopia (green-blind)
#6E90D9
Tritanopia (blue-blind)
#00AFB4
Achromatopsia (no color)
#979797

Design tokens & code

CSS
--color: #37a0da;
/* rgb */ color: rgb(55, 160, 218);
/* oklch */ color: oklch(67.2% 0.127 237.6);
Tailwind
colors: {
  custom: {
    50: '#84bce5',
    500: '#37a0da',
    950: '#000000',
  },
}
SCSS
$custom: #37a0da;
$custom-light: #84bce5;
$custom-dark: #000000;
JSON
{
  "hex": "#37a0da",
  "rgb": {
    "r": 55,
    "g": 160,
    "b": 218
  },
  "hsl": {
    "h": 201.35,
    "s": 68.776,
    "l": 53.529
  },
  "oklch": {
    "l": 0.67186,
    "c": 0.12697,
    "h": 237.6
  },
  "luminance": 0.31016
}

Semantic roles & 50–950 ramp

primary
#37A0DA
secondary
#D9AC93
accent
#7B3CEC
background
#F8FBFE
surface
#F0F6FC
border
#CBD0D5
text
#0C1216
muted
#7D8184

Preview Lab

Preview with #37A0DA

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →

#37A0DA Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva